CN214788101U - Heat radiation fan and electronic equipment - Google Patents
Heat radiation fan and electronic equipment Download PDFInfo
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- CN214788101U CN214788101U CN202120305702.6U CN202120305702U CN214788101U CN 214788101 U CN214788101 U CN 214788101U CN 202120305702 U CN202120305702 U CN 202120305702U CN 214788101 U CN214788101 U CN 214788101U
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Abstract
The utility model discloses a radiator fan and electronic equipment, radiator fan includes the casing, the casing includes first mounting panel, second mounting panel, curb plate and a plurality of support column, the support column include with first mounting panel fixed mounting's first installation face, with second mounting panel fixed mounting's second installation face and connect the side between first installation face and the second installation face, the side includes first side towards the air current direction and along the second side and the third side of air current direction, first side and second side, and first side and third side link to each other, and the second side links to each other with the third side in the direction of keeping away from first side, arbitrary some camber is greater than arbitrary some camber on second side and the third side on the first side. The utility model discloses the casing inner support post can not only support the casing, through the design to the support column shape, has improved fan efficiency, has improved the homogeneity of the inside air current of fan, has improved the air-out flow of fan simultaneously.
Description
Technical Field
The utility model belongs to the technical field of radiator fan, concretely relates to radiator fan and electronic equipment.
Background
With the improvement of the performance of computer components, the heat energy generated during the operation of the computer components is relatively increased, wherein the highest heat energy is generated by the cpu and the data storage device (such as a hard disk), and if the generated high heat cannot be dissipated in time, the normal operation performance of the computer components will be affected by light persons, and the computer components will be burnt and damaged by heavy persons, so how to effectively dissipate the heat becomes a very important issue in the development of computers today.
The currently applied heat dissipation kit includes two types, namely liquid cooling type and air cooling type, but the two most important heat dissipation components are fans, especially fans applied to notebook computers or servers, and because of space limitation, the number of fans cannot be increased, so how to increase the efficiency of an existing fan has become the key point of great research and development of each fan industry.
Referring to fig. 1, a housing 10 ' of a heat dissipation fan in the prior art includes two opposite mounting plates 11 ' and a side plate 12 ' fixedly mounted between peripheries of the two mounting plates, and the two mounting plates 11 ' are fixed by a plurality of cylindrical support pillars 13 '. Referring to fig. 2, which is a simulation diagram of a flow field of airflow inside a fan in the prior art, it can be seen that the cylindrical support pillars cause poor uniformity of airflow inside the fan, thereby reducing the efficiency of the fan.
Therefore, in order to solve the above-mentioned problems, it is desirable to provide a heat dissipation fan and an electronic device.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a radiator fan and electronic equipment to improve the homogeneity of the inside air current of fan.
In order to achieve the above object, an embodiment of the present invention provides the following technical solutions:
a heat radiation fan comprises a shell, the shell comprises a first mounting plate and a second mounting plate which are arranged oppositely, a side plate fixedly arranged between the peripheries of the first mounting plate and the second mounting plate, and a plurality of support columns fixedly arranged between the first mounting plate and the second mounting plate, the support column comprises a first mounting surface fixedly mounted with the first mounting plate, a second mounting surface fixedly mounted with the second mounting plate, and a side surface connected between the first mounting surface and the second mounting surface, the side surfaces comprise a first side surface facing to the airflow direction, a second side surface and a third side surface along the airflow direction, the first side surface is connected with the second side surface, the first side surface is connected with the third side surface, and the second side surface is connected with the third side surface in the direction far away from the first side surface, and the curvature of any point on the first side surface is greater than the curvatures of any point on the second side surface and the third side surface.
In one embodiment, the curvatures of any two points on the first side surface are equal, and/or the curvatures of any two points on the second side surface are equal, and/or the curvatures of any two points on the third side surface are equal.
In one embodiment, the first side surface is a circular arc surface, the second side surface is a plane, and the third side surface is a plane.
In one embodiment, the first mounting surface and the second mounting surface are parallel to each other, the first side surface, the second side surface, the third side surface and the first mounting surface are perpendicular to each other, and the first side surface, the second side surface, the third side surface and the second mounting surface are perpendicular to each other.
In one embodiment, the first mounting surface and the second mounting surface are parallel to each other, the included angles between the first side surface, the second side surface and the third side surface and the first mounting surface are less than 90 degrees, and the included angles between the first side surface, the second side surface and the third side surface and the second mounting surface are greater than 90 degrees.
In one embodiment, the first mounting surface and the second mounting surface are parallel to each other, the first side surface comprises a first lower side surface connected with the first mounting surface and a first upper side surface connected with the second mounting surface, the second side surface comprises a second lower side surface connected with the first mounting surface and a second upper side surface connected with the second mounting surface, the third side surface comprises a third lower side surface connected with the first mounting surface and a third upper side surface connected with the second mounting surface, the first lower side surface, the second lower side surface and the third lower side surface are perpendicular to the first mounting surface, and the included angle between the first upper side surface, the second upper side surface and the third upper side surface and the second mounting surface is larger than 90 degrees.
In one embodiment, the area of the second mounting surface is equal to the area of the first mounting surface, and a projection area of the second mounting surface on the first mounting plate coincides with a projection area of the first mounting surface on the first mounting plate.
In one embodiment, the area of the second mounting surface is smaller than that of the first mounting surface, and a projection area of the second mounting surface on the first mounting plate is located inside a projection area of the first mounting surface on the first mounting plate.
In one embodiment, a plurality of support columns with the same or different orientations are arranged in the shell.
The utility model discloses another embodiment provides a technical scheme as follows:
an electronic device comprises the cooling fan.
Compared with the prior art, the utility model has the advantages of it is following:
the utility model discloses the casing inner support post can not only support the casing, through the design to the support column shape, has improved fan efficiency, has improved the homogeneity of the inside air current of fan, has improved the air-out flow of fan simultaneously.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic plan view of a heat dissipation fan casing in the prior art;
fig. 2 is a simulation diagram of a flow field of an internal airflow of a housing of a heat dissipation fan in the prior art;
fig. 3 is a schematic perspective view of a housing of a heat dissipation fan according to an embodiment of the present invention;
fig. 4 is a schematic plan view of a heat dissipating fan casing according to an embodiment of the present invention;
fig. 5 is a schematic perspective view of a support pillar according to an embodiment of the present invention;
FIG. 6 is a schematic top view of a support pillar according to an embodiment of the present invention;
fig. 7 is a diagram showing a simulation of the flow field of the air flow inside the casing of the heat dissipation fan according to an embodiment of the present invention.
Detailed Description
The present invention will be described in detail below with reference to embodiments shown in the drawings. However, the present invention is not limited to the embodiments, and the structural, method, or functional changes made by those skilled in the art according to the embodiments are all included in the scope of the present invention.
Referring to fig. 3 and 4, in an embodiment of the present invention, the casing of the heat dissipation fan includes a first mounting plate 11 and a second mounting plate (not shown) which are oppositely disposed, a side plate 12 which is fixedly mounted between peripheries of the first mounting plate and the second mounting plate, and a plurality of support columns 13 which are fixedly mounted between the first mounting plate and the second mounting plate. The first mounting plate 11 is provided with a substantially circular air inlet 14, the first mounting plate, the second mounting plate and the side plates are surrounded to form a hollow area, the housing which is not covered by the side plates is an air outlet, air flow enters from the air inlet and finally flows out of the air outlet after passing through the hollow area, and the flow direction of the air flow inside the housing is shown in fig. 4.
The housing of the present embodiment includes a plurality of supporting columns 13, as shown in fig. 5 and 6, each supporting column 13 includes a first mounting surface 131 fixedly mounted to the first mounting plate, a second mounting surface 132 fixedly mounted to the second mounting plate, and a side surface connecting between the first mounting surface and the second mounting surface, specifically, the side surface includes a first side surface 133 facing the airflow direction, and a second side surface 134 and a third side surface 135 along the airflow direction, the first side surface 133 is connected to the second side surface 134, and the first side surface 133 is connected to the third side surface 135, and the second side surface 134 is connected to the third side surface 135 in a direction away from the first side surface 133, and the curvature of any point on the first side surface 133 is greater than the curvature of any point on the second side surface 134 and the third side surface 135.
Specifically, the first mounting surface 131 and the second mounting surface 132 in this embodiment are parallel to each other, the first side 133 includes a first lower side 1331 connected to the first mounting surface and a first upper side 1332 connected to the second mounting surface, the second side 134 includes a second lower side 1341 connected to the first mounting surface and a second upper side 1342 connected to the second mounting surface, similarly, the third side 135 includes a third lower side (not shown) connected to the first mounting surface and a third upper side (not shown) connected to the second mounting surface, and the second side 134 and the third side 135 are symmetrically distributed.
The first lower side 1331, the second lower side 1341, and the third lower side (not shown) are perpendicular to the first mounting surface 131, the included angles between the first upper side 1332, the second upper side 1342, and the third upper side (not shown) and the second mounting surface 132 are greater than 90 °, the included angles between the first lower side 1331 and the first upper side 1332, between the second lower side 1341 and the second upper side 1342, and between the third lower side and the third upper side are equal, and the included angles are greater than 90 ° and less than 180 °.
With this arrangement, the area of the second mounting surface 132 is smaller than the area of the first mounting surface 131, and the projection area of the second mounting surface 132 on the first mounting plate 11 is located inside the projection area of the first mounting surface 131 on the first mounting plate 11.
Preferably, in this embodiment, the first lower side 1331 and the first upper side 1332 are circular arc surfaces, the second lower side 1341, the second upper side 1342, the third lower side and the fourth lower side are all flat surfaces, the curvature of any point on the first lower side 1331 and the first upper side 1332 is a fixed value greater than 0, and the curvature of any point on the second lower side 1341, the second upper side 1342, the third lower side and the fourth lower side is 0.
Referring to fig. 3 and 4, in the present embodiment, two support columns 13 are taken as an example for explanation, the two support columns are respectively oriented along the airflow direction, and the support columns 13 can improve the installation strength between the first installation plate and the second installation plate. Of course, in other embodiments, the number of support posts may be set as desired, but each support post is disposed along the airflow direction, i.e., the first side faces the airflow direction.
Referring to fig. 7, which is a simulation diagram of the flow field of the air flow inside the housing of the heat dissipation fan in this embodiment (by Ansys fluent simulation software), it can be seen from comparison with fig. 2 that the air flow at the positions of the support columns (circles) in this embodiment has better uniformity, but the air flow at the positions of the support columns (circles) in the prior art has poorer uniformity.
In addition, the air outlet flow of the air outlet in the prior art is 1.486CFM, while the air outlet flow of the air outlet in the embodiment is 1.526CFM, which is improved by about 3% compared with the prior art.
It should be understood that, in the present embodiment, the first side, the second side, and the third side are two-sectioned upper and lower sides respectively as an example for description, in other embodiments, only the first lower side, the second lower side, and the third lower side may be used as the sides of the supporting column, or only the first upper side, the second upper side, and the third upper side may be used, so that the uniformity of the airflow and the air outlet flow rate may also be improved.
In addition, the first side surface in the above embodiments is described by taking an arc surface as an example, the second side surface and the third side surface are described by taking a plane as an example, the first side surface is not limited to the arc surface in other embodiments, a curved surface or a combination of the curved surface and the arc surface may be adopted, any one or a combination of multiple surfaces of the plane, the arc surface and the curved surface may also be adopted for the second side surface and the third side surface, and the technical scheme that the curvature of any point on the first side surface is larger than that of any point on the second side surface and the third side surface belongs to the protection scope of the present invention.
The utility model provides a radiator fan can be applied to multiple electronic equipment, like notebook computer or server etc..
According to the technical scheme provided by the utility model, the utility model discloses following beneficial effect has:
the utility model discloses the casing inner support post can not only support the casing, through the design to the support column shape, has improved fan efficiency, has improved the homogeneity of the inside air current of fan, has improved the air-out flow of fan simultaneously.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A heat radiation fan is characterized in that the heat radiation fan comprises a shell, the shell comprises a first mounting plate and a second mounting plate which are arranged oppositely, a side plate which is fixedly arranged between the peripheries of the first mounting plate and the second mounting plate, and a plurality of support columns which are fixedly arranged between the first mounting plate and the second mounting plate, the support column comprises a first mounting surface fixedly mounted with the first mounting plate, a second mounting surface fixedly mounted with the second mounting plate, and a side surface connected between the first mounting surface and the second mounting surface, the side surfaces comprise a first side surface facing to the airflow direction, a second side surface and a third side surface along the airflow direction, the first side surface is connected with the second side surface, the first side surface is connected with the third side surface, and the second side surface is connected with the third side surface in the direction far away from the first side surface, and the curvature of any point on the first side surface is greater than the curvatures of any point on the second side surface and the third side surface.
2. The heat dissipation fan as claimed in claim 1, wherein the curvatures of any two points on the first side surface are equal, and/or the curvatures of any two points on the second side surface are equal, and/or the curvatures of any two points on the third side surface are equal.
3. The heat dissipating fan of claim 1, wherein the first side surface is a circular arc surface, the second side surface is a plane surface, and the third side surface is a plane surface.
4. The heat dissipating fan according to claim 3, wherein the first mounting surface and the second mounting surface are parallel to each other, the first side surface, the second side surface, and the third side surface are perpendicular to the first mounting surface, and the first side surface, the second side surface, and the third side surface are perpendicular to the second mounting surface.
5. The heat dissipating fan of claim 3, wherein the first mounting surface and the second mounting surface are parallel to each other, the first side surface, the second side surface, and the third side surface form an angle of less than 90 ° with the first mounting surface, and the first side surface, the second side surface, and the third side surface form an angle of more than 90 ° with the second mounting surface.
6. The heat dissipating fan of claim 3, wherein the first and second mounting surfaces are parallel to each other, the first side includes a first lower side connected to the first mounting surface and a first upper side connected to the second mounting surface, the second side includes a second lower side connected to the first mounting surface and a second upper side connected to the second mounting surface, the third side includes a third lower side connected to the first mounting surface and a third upper side connected to the second mounting surface, the first lower side, the second lower side, and the third lower side are perpendicular to the first mounting surface, and the first upper side, the second upper side, and the third upper side are at an angle greater than 90 ° to the second mounting surface.
7. The heat dissipating fan according to claim 4, wherein the area of the second mounting surface is equal to the area of the first mounting surface, and a projected area of the second mounting surface on the first mounting plate coincides with a projected area of the first mounting surface on the first mounting plate.
8. The heat dissipating fan according to claim 5 or 6, wherein the area of the second mounting surface is smaller than the area of the first mounting surface, and a projection area of the second mounting surface on the first mounting plate is located inside a projection area of the first mounting surface on the first mounting plate.
9. The heat dissipating fan of claim 1, wherein a plurality of support posts are disposed in the housing with the same or different orientations.
10. An electronic device, characterized in that the electronic device comprises the heat dissipation fan of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120305702.6U CN214788101U (en) | 2021-02-03 | 2021-02-03 | Heat radiation fan and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120305702.6U CN214788101U (en) | 2021-02-03 | 2021-02-03 | Heat radiation fan and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214788101U true CN214788101U (en) | 2021-11-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120305702.6U Active CN214788101U (en) | 2021-02-03 | 2021-02-03 | Heat radiation fan and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214788101U (en) |
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2021
- 2021-02-03 CN CN202120305702.6U patent/CN214788101U/en active Active
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